2011
Table Of Contents
- Contents
- Commands
- 3D Commands
- A Commands
- B Commands
- C Commands
- CAL
- Understand Syntax of Expressions
- Format Feet and Inches
- Format Angles
- Use Points and Vectors
- Use AutoLISP Variables
- Use System Variables in Calculations
- Convert Units of Measurement
- Use Standard Numeric Functions
- Calculate a Vector from Two Points
- Calculate the Length of a Vector
- Obtain a Point by Cursor
- Obtain the Last-Specified Point
- Use Snap Modes in Arithmetic Expressions
- Convert Points Between UCS and WCS
- Calculate a Point on a Line
- Rotate a Point About an Axis
- Obtain an Intersection Point
- Calculate a Distance
- Obtain a Radius
- Obtain an Angle
- Calculate a Normal Vector
- Use Shortcut Functions
- CHAMFER
- CHAMFEREDGE
- CHANGE
- CHPROP
- CIRCLE
- CLEANSCREENON
- CLEANSCREENOFF
- CLOSE
- CLOSEALL
- COLOR
- COMMANDLINE
- COMMANDLINEHIDE
- COMPILE
- CONE
- CONSTRAINTBAR
- CONSTRAINTSETTINGS
- CONTENT
- CONTENTCLOSE
- CONVERT
- CONVTOMESH
- CONVTONURBS
- CONVTOSOLID
- CONVTOSURFACE
- COPY
- COPYBASE
- COPYCLIP
- COPYHIST
- CUI
- CUTCLIP
- CVADD
- CVHIDE
- CVREBUILD
- CVREMOVE
- CVSHOW
- CYLINDER
- CAL
- D Commands
- DBLIST
- DCALIGNED
- DCANGULAR
- DCCONVERT
- DCDIAMETER
- DCDISPLAY
- DCFORM
- DCHORIZONTAL
- DCLINEAR
- DCRADIUS
- DCVERTICAL
- DDEDIT
- DDPTYPE
- DELAY
- DELCONSTRAINT
- DIM and DIM1
- DIMALIGNED
- DIMANGULAR
- DIMARC
- DIMBASELINE
- DIMBREAK
- DIMCENTER
- DIMCONSTRAINT
- DIMCONTINUE
- DIMDIAMETER
- DIMDISASSOCIATE
- DIMEDIT
- DIMHORIZONTAL
- DIMINSPECT
- DIMJOGGED
- DIMJOGLINE
- DIMLINEAR
- DIMORDINATE
- DIMOVERRIDE
- DIMRADIUS
- DIMREASSOCIATE
- DIMREGEN
- DIMROTATED
- DIMSPACE
- DIMSTYLE
- DIMTEDIT
- DIMVERTICAL
- DIST
- DISTANTLIGHT
- DIVIDE
- DONUT
- DRAGMODE
- DRAWORDER
- DSETTINGS
- DVIEW
- DXBIN
- E Commands
- F Commands
- G Commands
- H Commands
- I Commands
- J Commands
- L Commands
- M Commands
- MASSPROP
- MATBROWSERCLOSE
- MATBROWSEROPEN
- MATCHCELL
- MATCHPROP
- MATERIALS
- MATERIALSCLOSE
- MEASURE
- MEASUREGEOM
- MESH
- MESHCAP
- MESHCOLLAPSE
- MESHCREASE
- MESHEXTRUDE
- MESHMERGE
- MESHREFINE
- MESHSMOOTH
- MESHSMOOTHLESS
- MESHSMOOTHMORE
- MESHSPIN
- MESHSPLIT
- MESHUNCREASE
- MINSERT
- MIRROR
- MIRROR3D
- MLEADER
- MLEADERALIGN
- MLEADERCOLLECT
- MLEADEREDIT
- MLEADERSTYLE
- MLINE
- MODEL
- MOVE
- MREDO
- MSPACE
- MTEDIT
- MTEXT
- MULTIPLE
- MVIEW
- MVSETUP
- N Commands
- O Commands
- OBJECTSCALE
- OFFSET
- OOPS
- OPEN
- OPTIONS
- Application Preferences Dialog Box
- General Tab (Application Preferences Dialog Box)
- Cursor & Selection Tab (Application Preferences Dialog Box)
- Units & Guides Tab (Application Preferences Dialog Box)
- Look & Feel Tab (Application Preferences Dialog Box)
- Application Tab (Application Preferences Dialog Box)
- Document Settings Tab (Application Preferences Dialog Box)
- Select Alternate Font Dialog Box
- Default Scale List Dialog Box
- Application Preferences Dialog Box
- ORTHO
- OSNAP
- P Commands
- Q Commands
- R Commands
- S Commands
- SAVE
- SAVEAS
- SAVEIMG
- SCALE
- SCALELISTEDIT
- SCRIPT
- SECTION
- SECTIONPLANE
- SECTIONPLANEJOG
- SECTIONPLANESETTINGS
- SECTIONPLANETOBLOCK
- SELECT
- SELECTSIMILAR
- SETVAR
- SHADEMODE
- SHAPE
- SHELL
- SHOWPALETTES
- SKETCH
- SLICE
- SNAP
- SOLDRAW
- SOLID
- SOLIDEDIT
- SOLPROF
- SOLVIEW
- SPELL
- SPHERE
- SPLINE
- SPLINEDIT
- SPOTLIGHT
- STATUS
- STLOUT
- STRETCH
- STYLE
- SUBTRACT
- SURFBLEND
- SURFEXTEND
- SURFFILLET
- SURFNETWORK
- SURFOFFSET
- SURFPATCH
- SURFSCULPT
- SURFTRIM
- SURFUNTRIM
- SWEEP
- T Commands
- U Commands
- V Commands
- W Commands
- X Commands
- Z Commands
- Command Modifiers
- System Variables
- 3D System Variables
- A System Variables
- B System Variables
- C System Variables
- CAMERADISPLAY
- CANNOSCALE
- CANNOSCALEVALUE
- CCONSTRAINTFORM
- CDATE
- CECOLOR
- CELTSCALE
- CELTYPE
- CELWEIGHT
- CENTERMT
- CETRANSPARENCY
- CHAMFERA
- CHAMFERB
- CHAMFERC
- CHAMFERD
- CHAMMODE
- CIRCLERAD
- CLASSICKEYS
- CLAYER
- CLEANSCREENSTATE
- CLISTATE
- CMATERIAL
- CMDACTIVE
- CMDDIA
- CMDECHO
- CMDINPUTHISTORYMAX
- CMDNAMES
- CMLEADERSTYLE
- CMLJUST
- CMLSCALE
- CMLSTYLE
- COLORSCHEME
- COMPASS
- CONSTRAINTBARDISPLAY
- CONSTRAINTBARMODE
- CONSTRAINTINFER
- CONSTRAINTNAMEFORMAT
- CONSTRAINTRELAX
- CONSTRAINTSOLVEMODE
- CONTENTSTATE
- COPYMODE
- CPLOTSTYLE
- CPROFILE
- CROSSINGAREACOLOR
- CSHADOW
- CTAB
- CTABLESTYLE
- CULLINGOBJ
- CULLINGOBJSELECTION
- CURSORSIZE
- CVPORT
- D System Variables
- DATE
- DBLCLKEDIT
- DBMOD
- DEFAULTGIZMO
- DEFAULTLIGHTING
- DEFAULTLIGHTINGTYPE
- DEFLPLSTYLE
- DEFPLSTYLE
- DELOBJ
- DEMANDLOAD
- DIASTAT
- DIMADEC
- DIMALT
- DIMALTD
- DIMALTF
- DIMALTRND
- DIMALTTD
- DIMALTTZ
- DIMALTU
- DIMALTZ
- DIMANNO
- DIMAPOST
- DIMARCSYM
- DIMASSOC
- DIMASZ
- DIMATFIT
- DIMAUNIT
- DIMAZIN
- DIMBLK
- DIMBLK1
- DIMBLK2
- DIMCEN
- DIMCLRD
- DIMCLRE
- DIMCLRT
- DIMCONSTRAINTICON
- DIMDEC
- DIMDLE
- DIMDLI
- DIMDSEP
- DIMEXE
- DIMEXO
- DIMFRAC
- DIMFXL
- DIMFXLON
- DIMGAP
- DIMJOGANG
- DIMJUST
- DIMLDRBLK
- DIMLFAC
- DIMLIM
- DIMLTEX1
- DIMLTEX2
- DIMLTYPE
- DIMLUNIT
- DIMLWD
- DIMLWE
- DIMPOST
- DIMRND
- DIMSAH
- DIMSCALE
- DIMSD1
- DIMSD2
- DIMSE1
- DIMSE2
- DIMSOXD
- DIMSTYLE
- DIMTAD
- DIMTDEC
- DIMTFAC
- DIMTFILL
- DIMTFILLCLR
- DIMTIH
- DIMTIX
- DIMTM
- DIMTMOVE
- DIMTOFL
- DIMTOH
- DIMTOL
- DIMTOLJ
- DIMTP
- DIMTSZ
- DIMTVP
- DIMTXSTY
- DIMTXT
- DIMTXTDIRECTION
- DIMTZIN
- DIMUPT
- DIMZIN
- DISPLAYVIEWCUBEIN2D
- DISPLAYVIEWCUBEIN3D
- DISPSILH
- DISTANCE
- DIVMESHBOXHEIGHT
- DIVMESHBOXLENGTH
- DIVMESHBOXWIDTH
- DIVMESHCONEAXIS
- DIVMESHCONEBASE
- DIVMESHCONEHEIGHT
- DIVMESHCYLAXIS
- DIVMESHCYLBASE
- DIVMESHCYLHEIGHT
- DIVMESHPYRBASE
- DIVMESHPYRHEIGHT
- DIVMESHPYRLENGTH
- DIVMESHSPHEREAXIS
- DIVMESHSPHEREHEIGHT
- DIVMESHTORUSPATH
- DIVMESHTORUSSECTION
- DIVMESHWEDGEBASE
- DIVMESHWEDGEHEIGHT
- DIVMESHWEDGELENGTH
- DIVMESHWEDGESLOPE
- DIVMESHWEDGEWIDTH
- DONUTID
- DONUTOD
- DRAGMODE
- DRAGP1
- DRAGP2
- DRAGVS
- DRAWORDERCTL
- DTEXTED
- DWGCHECK
- DWGCODEPAGE
- DWGNAME
- DWGPREFIX
- DWGTITLED
- DYNCONSTRAINTMODE
- DYNDIGRIP
- DYNDIVIS
- DYNMODE
- DYNPICOORDS
- DYNPIFORMAT
- DYNPIVIS
- DYNPROMPT
- DYNTOOLTIPS
- E System Variables
- F System Variables
- G System Variables
- H System Variables
- HALOGAP
- HANDLES
- HELPPREFIX
- HIDEPRECISION
- HIDETEXT
- HIGHLIGHT
- HPANG
- HPANNOTATIVE
- HPASSOC
- HPBACKGROUNDCOLOR
- HPBOUND
- HPBOUNDRETAIN
- HPCOLOR
- HPDLGMODE
- HPDOUBLE
- HPDRAWORDER
- HPGAPTOL
- HPINHERIT
- HPISLANDDETECTION
- HPISLANDDETECTIONMODE
- HPLAYER
- HPMAXLINES
- HPNAME
- HPOBJWARNING
- HPORIGIN
- HPORIGINMODE
- HPQUICKPREVIEW
- HPQUICKPREVTIMEOUT
- HPSCALE
- HPSEPARATE
- HPSPACE
- HPTRANSPARENCY
- I System Variables
- L System Variables
- LARGEOBJECTSUPPORT
- LASTANGLE
- LASTPOINT
- LASTPROMPT
- LATITUDE
- LAYEREVAL
- LAYEREVALCTL
- LAYERMANAGERSTATE
- LAYERNOTIFY
- LAYLOCKFADECTL
- LAYOUTCREATEVIEWPORT
- LAYOUTREGENCTL
- LEGACYCTRLPICK
- LENSLENGTH
- LIGHTGLYPHDISPLAY
- LIGHTINGUNITS
- LIGHTSINBLOCKS
- LIMCHECK
- LIMMAX
- LIMMIN
- LINEARBRIGHTNESS
- LINEARCONTRAST
- LOCALE
- LOCALROOTPREFIX
- LOFTANG1
- LOFTANG2
- LOFTMAG1
- LOFTMAG2
- LOFTNORMALS
- LOFTPARAM
- LOGEXPBRIGHTNESS
- LOGEXPCONTRAST
- LOGEXPDAYLIGHT
- LOGEXPMIDTONES
- LOGEXPPHYSICALSCALE
- LOGFILEMODE
- LOGFILENAME
- LOGFILEPATH
- LOGINNAME
- LONGITUDE
- LTSCALE
- LUNITS
- LUPREC
- LWDEFAULT
- LWDISPLAY
- LWUNITS
- M System Variables
- N System Variables
- O System Variables
- P System Variables
- PALETTEICONSTATE
- PAPERUPDATE
- PARAMETERCOPYMODE
- PDMODE
- PDSIZE
- PEDITACCEPT
- PELLIPSE
- PERIMETER
- PERSPECTIVE
- PERSPECTIVECLIP
- PFACEVMAX
- PICKADD
- PICKAUTO
- PICKBOX
- PICKDRAG
- PICKFIRST
- PICKSTYLE
- PLATFORM
- PLINECONVERTMODE
- PLINEGEN
- PLINETYPE
- PLINEWID
- PLOTOFFSET
- PLOTROTMODE
- PLOTTRANSPARENCYOVERRIDE
- PLQUIET
- POLARADDANG
- POLARANG
- POLARDIST
- POLARMODE
- POLYSIDES
- POPUPS
- PREVIEWEFFECT
- PREVIEWFACEEFFECT
- PREVIEWFILTER
- PRODUCT
- PROGRAM
- PROJMODE
- PROXYGRAPHICS
- PROXYNOTICE
- PROXYSHOW
- PROXYWEBSEARCH
- PSLTSCALE
- PSOLHEIGHT
- PSOLWIDTH
- PSTYLEMODE
- PSTYLEPOLICY
- PSVPSCALE
- PUCSBASE
- Q System Variables
- R System Variables
- S System Variables
- SAVEFIDELITY
- SAVEFILE
- SAVEFILEPATH
- SAVENAME
- SAVETIME
- SCREENSIZE
- SELECTIONANNODISPLAY
- SELECTIONAREA
- SELECTIONAREAOPACITY
- SELECTIONCYCLING
- SELECTIONPREVIEW
- SELECTSIMILARMODE
- SHADEDGE
- SHADEDIF
- SHADOWPLANELOCATION
- SHORTCUTMENU
- SHORTCUTMENUDURATION
- SHOWHIST
- SHOWPAGESETUPFORNEWLAYOUTS
- SHOWPALETTESTATE
- SHPNAME
- SKETCHINC
- SKPOLY
- SKTOLERANCE
- SKYSTATUS
- SMOOTHMESHCONVERT
- SMOOTHMESHGRID
- SMOOTHMESHMAXFACE
- SMOOTHMESHMAXLEV
- SNAPANG
- SNAPBASE
- SNAPISOPAIR
- SNAPMODE
- SNAPSTYL
- SNAPTYPE
- SNAPUNIT
- SOLIDCHECK
- SOLIDHIST
- SORTENTS
- SPACEPAN
- SPACEPANTIMEOUT
- SPLDEGREE
- SPLFRAME
- SPLINESEGS
- SPLINETYPE
- SPLKNOTS
- SPLMETHOD
- SPLPERIODIC
- STARTUP
- STATUSBAR
- SUBOBJSELECTIONMODE
- SUNSTATUS
- SURFACEASSOCIATIVITY
- SURFACEASSOCIATIVITYDRAG
- SURFACEAUTOTRIM
- SURFACEMODELINGMODE
- SURFTAB1
- SURFTAB2
- SURFTYPE
- SURFU
- SURFV
- SYSCODEPAGE
- T System Variables
- TABLEINDICATOR
- TARGET
- TBEXTENDAFTERSECONDS
- TBSHOWSHORTCUTS
- TDCREATE
- TDINDWG
- TDUCREATE
- TDUPDATE
- TDUSRTIMER
- TDUUPDATE
- TEMPOVERRIDES
- TEMPPREFIX
- TEXTED
- TEXTEVAL
- TEXTFILL
- TEXTOUTPUTFILEFORMAT
- TEXTQLTY
- TEXTSIZE
- TEXTSTYLE
- THICKNESS
- TILEMODE
- TIMEZONE
- TOOLSETSSTATE
- TOOLTIPMERGE
- TOOLTIPSIZE
- TOOLTIPTRANSPARENCY
- TRACEWID
- TRACKPATH
- TRANSPARENCYDISPLAY
- TREEDEPTH
- TREEMAX
- TRIMMODE
- TSPACEFAC
- TSPACETYPE
- TSTACKALIGN
- TSTACKSIZE
- U System Variables
- V System Variables
- VIEWCTR
- VIEWDIR
- VIEWMODE
- VIEWSIZE
- VIEWTWIST
- VISRETAIN
- VPCONTROL
- VPCOORDDISPLAY
- VPLAYEROVERRIDES
- VPLAYEROVERRIDESMODE
- VPMAXIMIZEDSTATE
- VPROTATEASSOC
- VSACURVATUREHIGH
- VSACURVATURELOW
- VSACURVATURETYPE
- VSADRAFTANGLEHIGH
- VSADRAFTANGLELOW
- VSAZEBRACOLOR1
- VSAZEBRACOLOR2
- VSAZEBRADIRECTION
- VSAZEBRASIZE
- VSAZEBRATYPE
- VSEDGECOLOR
- VSEDGEJITTER
- VSEDGELEX
- VSEDGEOVERHANG
- VSEDGES
- VSEDGESMOOTH
- VSFACECOLORMODE
- VSFACEHIGHLIGHT
- VSFACEOPACITY
- VSFACESTYLE
- VSHALOGAP
- VSHIDEPRECISION
- VSINTERSECTIONCOLOR
- VSINTERSECTIONEDGES
- VSINTERSECTIONLTYPE
- VSISOONTOP
- VSLIGHTINGQUALITY
- VSMATERIALMODE
- VSMAX
- VSMIN
- VSMONOCOLOR
- VSOBSCUREDCOLOR
- VSOBSCUREDEDGES
- VSOBSCUREDLTYPE
- VSOCCLUDEDCOLOR
- VSOCCLUDEDEDGES
- VSOCCLUDEDLTYPE
- VSSHADOWS
- VSSILHEDGES
- VSSILHWIDTH
- W System Variables
- X System Variables
- Z System Variables
- Index
The SPLINETYPE system variable controls the type of spline curve
approximated. Setting SPLINETYPE to 5 approximates a quadratic B-spline.
Setting SPLINETYPE to 6 approximates a cubic B-spline.
You can examine or change the fineness or coarseness of the spline
approximation with the SPLINESEGS system variable, or you can use AutoLISP
®
.
The default value is 8. If you set the value higher, a greater number of line
segments are drawn and the approximation to the ideal spline becomes more
precise. The generated spline occupies more space in the drawing file and
takes longer to generate.
If you set SPLINESEGS to a negative value, the program generates segments
using the absolute value of the setting and then applies a fit-type curve to
those segments. Fit-type curves use arcs as the approximating segments. Using
arcs yields a smoother generated curve when few segments are specified, but
the curve can take longer to generate.
To change the number of segments used to fit an existing spline, change
SPLINESEGS and respline the curve. You do not have to decurve it first.
Decurve
Removes extra vertices inserted by a fit or spline curve and straightens all
segments of the polyline. Retains tangent information assigned to the polyline
vertices for use in subsequent fit curve requests. If you edit a spline-fit polyline
with a command such as BREAK or TRIM, you cannot use the Decurve option.
Ltype Gen
Generates the linetype in a continuous pattern through the vertices of the
polyline. When turned off, this option generates the linetype starting and
ending with a dash at each vertex. Ltype Gen does not apply to polylines with
tapered segments.
776 | Chapter 16 P Commands